Sierra Nevada Corporation · Dayton, OH

Mechanical Engineer III at Sierra Nevada Corporation — Dayton, OH

Full-timeDayton, OHPosted 2026-07-10Apply on Workday

Full job description

Do you enjoy designing and developing innovative solutions to solve tough problems? Join our team to deliver technological solutions in a rapid and agile production environment. As a Mechanical Engineer III, you will lead the design, development, testing, and deployment of advanced mechanical systems for aerospace and defense applications. This role requires in-depth expertise in mechanical engineering and the ability to manage multiple projects simultaneously.

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations – with an unrivaled record of on time and on (or under) budget deliveries.

Responsibilities

  • Lead the design and development of advanced mechanical systems and components.
  • Perform complex analyses and simulations to validate and optimize designs.
  • Develop and oversee the execution of detailed test plans and procedures.
  • Review and approve technical documentation and reports.
  • Collaborate with cross-functional teams to ensure successful integration of mechanical systems.
  • Mentor junior engineers and provide technical guidance.

Qualifications You Must Have:

  • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
  • 6+ years of experience in mechanical engineering or a related role.
  • Higher level relevant degree may substitute for experience.
  • Advanced understanding of mechanical design principles and computer-aided design (CAD) software.
  • Practical knowledge of engineering principles and practices
  • Experience with Computer Aided Engineering tools
  • Experience working in multi-disciplinary design and development teams

Qualifications We Prefer:

  • Master’s degree in a related field.
  • Understanding of applying and interpreting Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5
  • Background in the Aerospace and Defense Industry
  • Knowledge of industry-standard mechanical design principles, to include, but not limited to parametric design, model-based definition, material hardware selection, manufacturing, and production processes
  • Knowledge of environmental requirements for components utilized in aircraft and space applications
  • Experience providing technical guidance to a diverse team of engineers on issues related to mechanical engineering
  • Experience with manufacturing, production, and product support to include disposition of engineering non-conformances
  • Familiarity with FAA , NASA, and/or DoD design and construction regulations

Essential Functions:

  • Ability to work on a computer for extended periods.
  • Occasional travel may be required.
  • Ability to work in an office or hybrid environment.
  • Applying systematic and logical problem-solving techniques to develop mechanical designs
  • Clearly convey technical information, design specifications, and project updates to team members, stakeholders, and management
  • Ability to understand technical documents, designs and test reports.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

IMPORTANT NOTICE:

To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce.

Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

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Questions about this Mechanical Engineer III role

Is the Mechanical Engineer III role at Sierra Nevada Corporation still open?
Yes — this posting is active and accepting applications through 2026-08-09. Listings can close once filled, so apply soon.
Where is the Mechanical Engineer III job at Sierra Nevada Corporation located?
This role is based in Dayton, OH.
How do I apply for the Mechanical Engineer III role at Sierra Nevada Corporation?
Apply directly through Sierra Nevada Corporation's official hiring system, or let the Jobeezy app fill out and submit the application for you automatically.
Does Jobeezy apply to jobs for me?
Yes. Jobeezy can auto-apply to roles like this Mechanical Engineer III position on your behalf — you set your preferences once and confirm, and it handles the rest.

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